The Monmouth University survey released Tuesday shows Booker with the support of 49 percent of Democrats likely to vote in the Aug. 13 primary. His closest competitor, U.S. Rep. Frank Pallone, got 12 percent.

A Quinnipiac University poll released Tuesday shows 56 percent of New Jersey voters surveyed have a favorable opinion of the 44-year-old Newark mayor. Twenty-seven percent say they don’t know enough about Booker to form an opinion.